Physics
In Astrophysics, what name is given to a hypothetical hole in outer space from which stars and energy emerge?

White hole
Ozone hole
Black hole
Asteroid belt

ANSWER DOWNLOAD EXAMIANS APP

Physics
The blue colour of water in the sea is due to

Scattering of blue light by water molecules
Reflection of blue light by impurities in sea water
Absorption of other colours except blue by water molecules
Reflection of blue sky by sea water

ANSWER DOWNLOAD EXAMIANS APP